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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of non-malleable ... | $73,775,433 | $97,062,754 | $138,412,761 | $165,360,320 | $122,436,623 | $149,196,603 | $138,753,062 |
| Cast tube/pipe fittings (e.g., couplings, elbows, sleeves) of iron (excl. n ... | $113,238,314 | $162,892,382 | $209,371,817 | $228,102,096 | $146,208,353 | $177,196,683 | $155,678,660 |
| Flanges of stainless steel | $138,211,593 | $181,180,959 | $222,946,856 | $289,559,415 | $131,448,487 | $107,843,709 | $157,368,337 |
| Threaded elbows, bends & sleeves of stainless steel | $44,481,588 | $59,164,950 | $102,121,555 | $99,982,188 | $54,115,917 | $53,691,134 | $70,972,100 |
| Butt welding fittings of stainless steel | $68,226,174 | $81,191,334 | $135,973,489 | $206,212,219 | $143,120,501 | $82,890,988 | $111,569,175 |
| Tube/pipe fittings of stainless steel (excl. of 7307.21-7307.23) | $74,857,017 | $68,945,553 | $92,843,397 | $81,530,292 | $61,925,195 | $59,248,616 | $73,744,350 |
| Flanges of iron/steel (excl. of cast iron/stainless steel) | $246,398,697 | $343,755,246 | $481,362,357 | $613,399,754 | $365,269,616 | $364,001,647 | $452,611,348 |
| Threaded elbows, bends & sleeves of iron/steel (excl. of cast iron/stainles ... | $89,133,744 | $82,366,726 | $122,168,028 | $123,717,091 | $55,362,738 | $62,650,090 | $87,330,867 |
| Butt welding fittings of iron/steel (excl. of cast iron/stainless steel) | $174,014,477 | $225,307,108 | $303,816,077 | $463,793,687 | $332,857,218 | $312,853,547 | $310,131,101 |
| Tube/pipe fittings of iron/steel (excl. cast iron/stainless steel; excl. of ... | $349,670,750 | $438,195,862 | $580,055,557 | $771,009,180 | $486,363,171 | $445,506,903 | $569,284,310 |
| Total | $1,372,007,787 | $1,740,062,874 | $2,389,071,894 | $3,042,666,242 | $1,899,107,819 | $1,815,079,920 | $2,127,443,310 |
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